Space Exploration

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Across
  1. 3. – First artificial satellite launched by the USSR
  2. 8. – Russian astronaut
  3. 10. – U.S. space agency
  4. 11. – NASA probe exploring deep space
  5. 12. – Space telescope that orbits the Earth
Down
  1. 1. – First man to walk on the moon
  2. 2. – International Space Station
  3. 4. – Device used to observe distant objects in space
  4. 5. – NASA missions that landed on the moon
  5. 6. – Person who travels to space
  6. 7. – Robot exploring the surface of Mars
  7. 9. – Reusable spacecraft used by NASA